code: def __init__(self, **opts):
      opts["type"] = "group"
      opts["addText"] = "Add"
      opts["addList"] = ["str", "float", "int"]
      pTypes.GroupParameter.__init__(self, **opts)
  
file_path: pyqtgraph/pyqtgraph/examples/parametertree.py
imports: from _buildParamTypes import makeAllParamTypes
  import pyqtgraph
  from pyqtgraph.Qt import QtWidgets
  import pyqtgraph.parametertree.parameterTypes
  from pyqtgraph.parametertree import Parameter, ParameterTree
label_desc: Use image node_id 1 to create a new ScalableGroup object from inherited base classes: pTypes with example: obj = ScalableGroup()